<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
<title></title>
<style type="text/css">
*{
font-size:12px}
</style>
</head>

<body>
请选择您的出生年月：
<script type="text/javascript">
document.write("<select name='year'>");
for(var i=1980;i<2000;i++){
	document.write("<option value='"+i+"'"+(i==1985?" selected":"")+">"+i+"年</option>");
}
document.write("</select> ");
document.write("<select name='month'>");
for(var i=1;i<=12;i++){
	document.write("<option value='"+i+"'>"+i+"月</option>");
}
document.write("</select>");
</script>
</body>
</html>
